/**
 * JBoss, Home of Professional Open Source
 * Copyright 2010, Red Hat, Inc. and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 **/
package org.rds.managedbeans;

import javax.annotation.PostConstruct;
import javax.enterprise.inject.Model;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletRequest;
import java.io.Serializable;

/**
 * @author jbalunas@redhat.com
 * @author <a href="http://community.jboss.org/people/bleathem">Brian Leathem</a>
 */
@Model
public class UserAgent implements Serializable {

   private static final long serialVersionUID = 1L;
   private UAgentInfo uAgentInfo;

   @PostConstruct
   public void init() {
      FacesContext context = FacesContext.getCurrentInstance();
      HttpServletRequest request = (HttpServletRequest) context.getExternalContext().getRequest();
      String userAgentStr = request.getHeader("user-agent");
      String httpAccept = request.getHeader("Accept");
      uAgentInfo = new UAgentInfo(userAgentStr, httpAccept);
   }

   public boolean isPhone() {
      //Detects a whole tier of phones that support similar functionality as the iphone
      return uAgentInfo.detectTierIphone();
   }

   public boolean isTablet() {
      // Will detect iPads, Xooms, Blackberry tablets, but not Galaxy - they use a strange user-agent
      return uAgentInfo.detectTierTablet();
   }

   public boolean isMobile() {
      return isPhone() || isTablet();
   }
}